Home / 409,536,009.60-614,304,014.40-264,417,187.20

Finding the Fourth Proportional to 409,536,009.60, 614,304,014.40 and 264,417,187.20

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Solution

The fourth proportional to 409,536,009.60, 614,304,014.40 and 264,417,187.20 is: 396,625,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,536,009.60 : 614,304,014.40 = 264,417,187.20 : x
  2. Step 2: Convert to fraction form
    409,536,009.60/614,304,014.40 = 264,417,187.20/x
  3. Step 3: Cross multiply
    409,536,009.60x = 614,304,014.40 × 264,417,187.20
  4. Step 4: Simplify right side
    409,536,009.60x = 162,432,539,573,316,288
  5. Step 5: Solve for x
    x = 162,432,539,573,316,288/409,536,009.60
  6. Step 6: Final answer
    x = 396,625,780.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.